Refrigerator



FIG. 1 is the front/left-side/top perspective view of a refrigerator showing our new design;

FIG. 2 is the front elevational view thereof;

FIG. 3 is the rear elevational view thereof;

FIG. 4 is the left-side elevational view thereof;

FIG. 5 is the right-side elevational view thereof;

FIG. 6 is the top plan view thereof;

FIG. 7 is the bottom plan view thereof; and,

FIG. 8. is the front/left-side/top perspective view thereof, the doors being shown in an open position.

The dashed broken lines illustrating portions of the refrigerator are for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a refrigerator, as shown and described. 